*{
    margin: 0;
    padding: 0;
}
#top{
    height: 110px;
    background-color: #F9F9F9;
    overflow: hidden;
}
.topInfo{
    height: 40px;
    background-color: #4C78DA;
    display: flex;
    justify-content: space-between;
    color: white;
}
.topInfo > span{
    width: 210px;
    line-height: 40px;
    margin-left: 15%;
}
.logIN{
    width: 80px;
    line-height: 40px;
    margin-right: 10%;
    display: flex;
    justify-content: space-between;
}
.logIN span{
    padding-left: 6px;
}
.topNav{
    width: 500px;
    height: 70px;
    float: right;
    margin-right:10%;
}
.topNav ul{
    position: relative;
    top: 50%;
    /* 垂直居中 */
    -webkit-transform: translateY(-50%);
    -ms-transform: translateX(-50%);
    transform: translateY(-50%);
    display: flex;
    justify-content:space-between;
}
.topNav ul li{
    height: 35px;
    line-height: 35px;
    padding: 0 10px;
    list-style: none;
    text-align: center;
    background-color: white;
    border-radius: 3px;
    box-shadow: 1px 1px 1px #ccc;
}
#middle{
    width: 80%;
    margin: 0 auto;
    height: 1000px;
    background-color:red;
}
.middleNav{
    height: 100px;
    background-color:rebeccapurple;
}
.middleNav .box{
    width: 60px;
    height: 30px;
    background-color: aqua;
}
.main{
    height: 800px;
    margin: 50px 0px;
    background-color: silver;
}

#bottom{
    height: 200px;
    background-color: #F9F9F9;
    color: #979797;
}
.row{
    width: 80%;
    padding-top: 48px;
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
}
.job{
    width: 33%;
    height: 152px;
    /* background-color: yellow; */
}
.about{
    width: 33%;
    height: 152px;
    /* background-color: violet; */
}

.about a {
    margin-right: 35px;
    text-decoration: none;
    color: #979797;
}
.aboutTop{
    margin-bottom: 20px;
}
.tel{
    width: 33%;
    height: 152px;
    /* background-color: #4C78DA; */
}
.tel ul{
    float: left;
}
.tel ul li{
    list-style: none;
}
footer{
    height: 25px;
    line-height: 25px;
    background-color:#4C78DA;
    font-size: smaller;
    color: white;
    text-align: center;
}